CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) shares in Millions, $ in Millions		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Revenue		$ 2,000	$ 1,986
Costs and expenses:
Cost of sales		588	569
Selling, general and administrative expenses		505	465
Research and development expenses		142	122
Amortization of intangible assets		37	41
Restructuring charges and certain acquisition-related costs		21	2
Interest expense, net of capitalized interest		63	53
Other (income)/deductions—net		(53)	7
Income before provision for taxes on income	[1]	697	727
Provision for taxes on income		146	133
Net income before allocation to noncontrolling interests		551	594
Less: Net loss attributable to noncontrolling interests		(1)	(1)
Net income attributable to Zoetis Inc.		$ 552	$ 595
Earnings per share attributable to Zoetis Inc. stockholders:
Basic (in dollars per share)		$ 1.19	$ 1.26
Diluted (in dollars per share)		$ 1.19	$ 1.26
Weighted-average common shares outstanding:
Basic (in shares)		463.5	472.2
Diluted (in shares)		464.6	474.1
Dividends paid per common share (in dollars per share)		$ 0.375	$ 0.325

[1] Defined as income before provision for taxes on income.